Photo examples of aborted pinheads and mushroom aborts. Usually, such shrooms and pins stop growing, and mushroom caps turn black or dark-blue. Caused by stress, poor environmental conditions, genetic issues. It's not a contamination!
If you find your mushrooms have stopped growing and their caps turned black
May 2021
Shroomok's choice on Amazon
Soil pH Paper Testing Kit, 3.5-9 Range,...
Wooden Stirrers Sticks
Desk Lamp with Flexible Gooseneck - Port...
Coconut Water Powder HYDRATE ORIGINAL |...
Amazon Fresh, Brown Long Grain Rice, 5 l...
Sterile Water 100ml 6 Bottles
Food Grade Calcium Sulfate (Gypsum) 3 Po...
Light Corn Syrup
Bronson Super B Vitamin B Complex Sustai...
Uniquely Greener Wheat Bran (2 Pounds) —...
LED Rope Lights Waterproof, 6500K, 150ft
Organic Rye Berries 5 lbs - Non-GMO, Kos...